Bachman, J. (1850). The doctrine of the unity of the human race examined on the principles of science. C. Canning.
Dyfyniad Arddull ChicagoBachman, John. The Doctrine of the Unity of the Human Race Examined on the Principles of Science. Charleston, S.C.: C. Canning, 1850.
Dyfyniad MLABachman, John. The Doctrine of the Unity of the Human Race Examined on the Principles of Science. C. Canning, 1850.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.